Short Range Wireless Communication Apparatus

1. A short range wireless communication apparatus comprising: a connection device that is capable of concurrently connecting a plurality of communication protocols with a communication-party connection device through a short range wireless communication link; and a control device that controls connection and disconnection of each of the plurality of communication protocols, wherein: when a connection request for a different communication protocol occurs under a state where multiple communication protocols of the plurality of communication protocols are concurrently connected between the connection device and the communication-party connection device, the different communication protocol being included in the plurality of communication protocols but not included in the multiple communication protocols, the control device performs a connection of the different communication protocol between the connection device and the communication-party connection device; and when it is determined that the connection of the different communication protocol between the connection device and the communication-party connection device resulted in a failure, the control device selects as a disconnection target at least one of the multiple communication protocols being concurrently connected, performs a disconnection of the disconnection target, and performs a re-connection of the different communication protocol, the connection of which resulted in the failure, between the connection device and the communication-party connection device.

2. The short range wireless communication apparatus according to claim 1 , wherein: each time it is determined that the connection of the different communication protocol between the connection device and the communication-party connection device resulted in the failure, the control device selects, as the disconnection target, at least one of the multiple communication protocols concurrently connected in accordance with a predetermined order and performs the disconnection of the disconnection target.

3. The short range wireless communication apparatus according to claim 1 , wherein: each time it is determined that the connection of the different communication protocol between the connection device and the communication-party connection device resulted in the failure, the control device selects, as the disconnection target, all of the multiple communication protocols concurrently connected and performs the disconnection of the disconnection target.

4. The short range wireless communication apparatus according to claim 1 , wherein: when it is determined that the re-connection of the different communication protocol between the connection device and the communication-party connection device resulted in a success, the control device performs a connection of the disconnection target, the disconnection of which was performed, between the connection device and the communication-party connection device.

5. The short range wireless communication apparatus according to claim 1 , wherein: when it is determined that the re-connection of the different communication protocol between the connection device and the communication-party connection device resulted in a success, the control device stores, as a stored successful disconnection target, the disconnection target, the disconnection of which enabled the re-connection of the different communication protocol to have resulted in the success; and when, after storing the stored successful disconnection target, another connection request for the different communication protocol occurs under a state where multiple communication protocols of the plurality of communication protocols are concurrently connected between the connection device and the communication-party connection device, the control device selects the stored successful disconnection target as the disconnection target of the at least one of the multiple communication protocols being concurrently connected, and performs, as the disconnection of the disconnection target, a disconnection of the stored successful disconnection target between the connection device and the communication-party connection device.

6. The short range wireless communication apparatus according to claim 5 , wherein: after performing, as the disconnection of the disconnection target, the disconnection of the stored successful disconnection target between the connection device and the communication-party connection device, the control device performs a connection of the different communication protocol between the connection device and the communication-party connection device.

7. The short range wireless communication apparatus according to claim 1 , wherein: the short range wireless communication link includes a Bluetooth communication link; the different communication protocol includes a dial-up networking profile; and the control device is enabled to perform a connection of the dial-up networking profile between the connection device and the communication-party connection device through the Bluetooth communication link.

8. A short range wireless communication apparatus comprising: a connection device that is capable of concurrently connecting a plurality of communication protocols with a communication-party connection device through a short range wireless communication link; and a control device that controls connection and disconnection of each of the plurality of communication protocols, wherein: when a connection request for the different communication protocol occurs under a state where multiple communication protocols of the plurality of communication protocols are concurrently connected between the connection device and the communication-party connection device, the different communication protocol being included in the plurality of communication protocols but not included in the multiple communication protocols, the control device performs a connection of the different communication protocol between the connection device and the communication-party connection device; and when it is determined that a connection to an outside communication network resulted in a failure, the connection to the outside communication network accompanying the connection of the different communication protocol between the connection device and the communication-party connection device, the control device selects as a disconnection target at least one of the multiple communication protocols being concurrently connected, performs a disconnection of the disconnection target, and performs a re-connection of the different communication protocol between the connection device and the communication-party connection device.

9. The short range wireless communication apparatus according to claim 8 , wherein: each time it is determined that the connection to the outside communication network between the connection device and the communication-party connection device resulted in the failure, the control device selects, as the disconnection target, at least one of the multiple communication protocols concurrently connected in accordance with a predetermined order and performs the disconnection of the disconnection target.

10. The short range wireless communication apparatus according to claim 8 , wherein: each time it is determined that the connection to the outside communication network resulted in the failure, the control device selects, as the disconnection target, all of the multiple communication protocols concurrently connected and performs the disconnection of the disconnection target between the connection device and the communication-party connection device.

11. The short range wireless communication apparatus according to claim 8 , wherein: the short range wireless communication link includes a Bluetooth communication link; the different communication protocol includes a dial-up networking profile; and the control device is enabled to perform a connection of the dial-up networking profile between the connection device and the communication-party connection device through the Bluetooth communication link.

12. A short range wireless communication apparatus comprising: a connection device that is capable of concurrently connecting a plurality of communication protocols with a communication-party connection device through a short range wireless communication link; and a control device that controls interrupt and re-connection of a data communication using each of the plurality of communication protocols, wherein: when a connection request for the different communication protocol occurs under a state where multiple data communications using multiple communication protocols of the plurality of communication protocols are performed between the connection device and the communication-party connection device, the different communication protocol being included in the plurality of communication protocols but not included in the multiple communication protocols, the control device performs a connection of the different communication protocol between the connection device and the communication-party connection device; and when it is determined that the connection of the different communication protocol between the connection device and the communication-party connection device resulted in a failure, the control device selects as an interrupt target at least one of the multiple data communications being performed between the connection device and the communication-party connection device, performs an interrupt of the interrupt target, and performs a re-connection of the different communication protocol, the connection of which resulted in the failure, between the connection device and the communication-party connection device.

13. The short range wireless communication apparatus according to claim 12 , wherein: each time it is determined that the connection of the different communication protocol between the connection device and the communication-party connection device resulted in the failure, the control device selects, as the interrupt target, at least one of the multiple data communications being performed between the connection device and the communication-party connection device in accordance with a predetermined order and performs the interrupt of the interrupt target.

14. The short range wireless communication apparatus according to claim 12 , wherein: each time it is determined that the connection of the different communication protocol between the connection device and the communication-party connection device resulted in the failure, the control device selects, as the interrupt target, all of the multiple data communications being performed between the connection device and the communication-party connection device and performs the interrupt of the interrupt target.

15. The short range wireless communication apparatus according to claim 12 , wherein: when it is determined that the re-connection of the different communication protocol between the connection device and the communication-party connection device resulted in a success, the control device performs a connection of the interrupt target, the interrupt of which was performed, between the connection device and the communication-party connection device.

16. The short range wireless communication apparatus according to claim 12 , wherein: when it is determined that the re-connection of the different communication protocol between the connection device and the communication-party connection device resulted in a success, the control device stores, as a stored successful interrupt target, the interrupt target, the interrupt of which enabled the re-connection of the different communication protocol to have resulted in the success; and when, after storing the stored successful disconnection target, another connection request for the different communication protocol occurs under a state where multiple communication protocols of the plurality of communication protocols are concurrently connected between the connection device and the communication-party connection device, the control device selects the stored successful interrupt target as the interrupt target of the at least one of the multiple data communications being performed between the connection device and the communication-party connection device, and performs, as the interrupt of the interrupt target, an interrupt of the stored successful interrupt target between the connection device and the communication-party connection device.

17. The short range wireless communication apparatus according to claim 16 , wherein: after performing, as the interrupt of the interrupt target, the interrupt of the stored successful interrupt target between the connection device and the communication-party connection device, the control device performs a connection of the different communication protocol between the connection device and the communication-party connection device.

18. The short range wireless communication apparatus according to claim 12 , wherein: the short range wireless communication link includes a Bluetooth communication link; the different communication protocol includes a dial-up networking profile; and the control device is enabled to perform a connection of the dial-up networking profile between the connection device and the communication-party connection device through the Bluetooth communication link.

19. A short range wireless communication apparatus comprising: a connection device that is capable of concurrently connecting a plurality of communication protocols with a communication-party connection device through a short range wireless communication link; and a control device that controls connection and disconnection of each of the plurality of communication protocols, wherein: when a connection request for a different communication protocol occurs under a state where multiple communication protocols of the plurality of communication protocols are concurrently connected between the connection device and the communication-party connection device, the different communication protocol being included in the plurality of communication protocols but not included in the multiple communication protocols, the control device selects as a disconnection target at least one of the multiple communication protocols being concurrently connected, performs a disconnection of the disconnection target, and performs thereafter a connection of the different communication protocol between the connection device and the communication-party connection device.

20. The short range wireless communication apparatus according to claim 19 , wherein: the short range wireless communication link includes a Bluetooth communication link; the different communication protocol includes a dial-up networking profile; and the control device is enabled to perform a connection of the dial-up networking profile between the connection device and the communication-party connection device through the Bluetooth communication link.